1253782841 has 2 divisors, whose sum is σ = 1253782842. Its totient is φ = 1253782840.

The previous prime is 1253782819. The next prime is 1253782883. The reversal of 1253782841 is 1482873521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1052029225 + 201753616 = 32435^2 + 14204^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253782841 - 2²² = 1249588537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1253782801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626891420 + 626891421.

It is an arithmetic number, because the mean of its divisors is an integer number (626891421).

Almost surely, 2^1253782841 is an apocalyptic number.

It is an amenable number.

1253782841 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253782841 is an equidigital number, since it uses as much as digits as its factorization.

1253782841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 107520, while the sum is 41.

The square root of 1253782841 is about 35408.7960964504. The cubic root of 1253782841 is about 1078.3029018712.

The spelling of 1253782841 in words is "one billion, two hundred fifty-three million, seven hundred eighty-two thousand, eight hundred forty-one".